New version of Quod Libet is out along with a plugin bundle. http://code.google.com/p/quodlibet/downloads/list Tested and works on ~amd64 (with useflags: dbus gnome gstreamer hal plugins -aac -alsa -esd -flac -ipod -mad -musepack -oss -tta -vorbis -wma -xine). Reproducible: Always Steps to Reproduce:
Created attachment 219057 [details] Quod Libet 2.2 ebuild (use:trayicon removed, use:plugins added)
Created attachment 219059 [details] Quod Libet Plugin Bundle 2.2 ebuild
*** Bug 299949 has been marked as a duplicate of this bug. ***
2.2.1 in portage, not so fine-grained as your ebuilds though, I really don't have time to maintain it like that. but the ebuilds does it's job.